ATLANTA — THE alarming number of measles cases — a record 644 last year, and 102 last month, the most since the disease was declared eliminated in the United States in 2000 — has focused scrutiny on parents who refuse vaccinations for their children. There are some who want state and local governments to sue, or even criminally charge, such parents. A bill in California would end all nonmedical exemptions to immunization requirements. Read More